Distribution of Values for
Heart formation (Heart formation)
| Code | Definition | Number of Accessions |
| 0 | 0 - Absent | 15 |
| 2 | 2 - Very slight | 1 |
| 3 | 3 - Slight | 16 |
| 4 | 4 - Slight - moderate | 8 |
| 5 | 5 - Moderate | 24 |
| 6 | 6 - Moderate - well developed | 4 |
| 7 | 7 - Well developed | 33 |
| 8 | 8 - Very well developed | 2 |